Aart J. Naaktgeboren

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Dedemsvaart, NL

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Patents Grantslast 30 patents

Information Patent Grant
Semipermeable membranes based on polymers containing sulphonate group
- Patent number 4,765,898
- Issue date Aug 23, 1988
- Stork Friesland B.V.
- Henricus C. W. M. Buys
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Semipermeable composite membrane
- Patent number 4,721,568
- Issue date Jan 26, 1988
- Henricus C. W. M. Buys
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL